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THE BIRTHDAY FEAST
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wanted to tell Bob Grimes, but that individual kept out of the way.

After having settled down in their rooms and to their studies, the three Rover boys made several flights in the biplane, including one to the Sanderson farm, where they discovered Songbird calling on Minnie. Both were seated in a hammock between the house and the barn, and both leaped up in confusion when the biplane, manipulated by Tom, sailed directly over their heads. When the Rovers came down in the big field, Minnie ran to greet them, and, later, she treated them to apple pie and some milk. Then they set sail once more, leaving their college chum to finish his interrupted visit.

After this flight the boys ordered a new engine for the Dartaway, one which would make sailing safer, especially in a stiff wind. The makers said they would send the new engine immediately, and a machinist to install it, and they agreed to take the old engine back at cost price, since it was practically new.

It must not be supposed that the Rover boys neglected their studies. As my old readers know, whatever they tackled they went at with all their might, and this applied to their work as well as their play.

"Dad sent us here to get an education," said